Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

20Ω

30Ω

40Ω

10Ω

20Ω

30Ω

40Ω

10Ω

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SSC JE Electrical 2019 with solution SET-1
4F2D is a/an number

Decimal

Octal

Hexadecimal

Binary

Decimal

Octal

Hexadecimal

Binary

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SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

5Hz

2.5Hz

50Hz

25Hz

5Hz

2.5Hz

50Hz

25Hz

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SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

R/Z

R/XC

R/XL

Z/R

R/Z

R/XC

R/XL

Z/R

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Hysteresis loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

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SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

4 H

6 H

10 H

2.4 H

4 H

6 H

10 H

2.4 H

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1 4F2D is a/an number

SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1 The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1 Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1
4F2D is a/an number

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is